# Copyright 2014 The Oppia Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS-IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Controllers for interactive and non-interactive widgets."""

__author__ = 'sll@google.com (Sean Lip)'

import collections

from core.controllers import base
from core.domain import widget_registry


class WidgetRepositoryHandler(base.BaseHandler):
    """Populates the widget repository pages."""

    def get(self, widget_type):
        """Handles GET requests."""
        try:
            widget_list = widget_registry.Registry.get_widgets_of_type(
                widget_type)
        except Exception:
            raise self.PageNotFoundException

        self.render_json({
            'widgetRepository': {
                widget.id: widget.to_dict()
                for widget in widget_list
            }
        })
